# Best iPad PDF viewer for math?

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## Best iPad PDF viewer for math?

 Skim does not make a PDF viewer for iPads. What iPad PDF viewer most closely matches the capability of Skim, especially in regard to math documents? I can view my PDF documents in the Books and Safari apps, but they don’t seem to give me the table of contents in a readily accessible sidebar, don’t have Back and Forward buttons (pages in order of viewing), can't navigate by logical rather than physical page, and don’t give a thumbnail of a \ref if I hoover the cursor over the \ref. There are a bunch of these viewers available, and I’m hoping that someone has already done research so I don’t have to. It would be wonderful to be able to be able to carry around 200 page math documents in a svelte one pound package like my iPad Air. Richard Séguin ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx                https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex
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## Re: Best iPad PDF viewer for math?

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## Re: Best iPad PDF viewer for math?

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 In reply to this post by riseguin I use Notability.  In addition to the abilities you ask for, it allows one to write on PDFs, either those imported or those created by the app.  Inexpensive styli work, though for good resolution you will want to go a step up to Adonit’s Mark 4.  (In any event, use a capacitive stylus for economy.  I presume that an Apple Pencil or something of that ilk will work, but why spend the $$!). You can also connect it to a projector, use it as a display in your classroom as you record what you write in class. Then you can transfer the resulting PDF to a website where students can have access to it. On Aug 21, 2020, 11:41 AM -0600, Richard Seguin <[hidden email]>, wrote: Skim does not make a PDF viewer for iPads. What iPad PDF viewer most closely matches the capability of Skim, especially in regard to math documents? I can view my PDF documents in the Books and Safari apps, but they don’t seem to give me the table of contents in a readily accessible sidebar, don’t have Back and Forward buttons (pages in order of viewing), can't navigate by logical rather than physical page, and don’t give a thumbnail of a \ref if I hoover the cursor over the \ref. There are a bunch of these viewers available, and I’m hoping that someone has already done research so I don’t have to. It would be wonderful to be able to be able to carry around 200 page math documents in a svelte one pound package like my iPad Air. Richard Séguin ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faq List Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/ List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/ TeX on Mac OS X Website: http://mactex-wiki.tug.org/ List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex Reply | Threaded Open this post in threaded view | ## Re: Best iPad PDF viewer for math?  Notability is wonderful for writing—and even better with the Apple pencil. That’s my default note-taking and lecturing (now in these Zoom dominated days) tool.However, just for reading PDFs there are better more specialized apps. I am a longtime GoodReader user, and most recently I’m using PDF Expert. Both are excellent: they can open several PDFs simultaneously, you can mark them, and they seem to cope fairly well with large synchronized folders, offering a large array of underlying connection protocols. I have a folder with about 13GB worth of PDFs which is synced over SFTP without a hitch. Hope this helps,—Ettore Ettore AldrovandiDepartment of Mathematics, Florida State University1017 Academic Way * http://www.math.fsu.edu/~ealdrovTallahassee, FL 32306-4510, USA * * aldrovandi at math dot fsu dot edu On Aug 21, 2020, at 18:38, Louis Talman <[hidden email]> wrote: I use Notability. In addition to the abilities you ask for, it allows one to write on PDFs, either those imported or those created by the app. Inexpensive styli work, though for good resolution you will want to go a step up to Adonit’s Mark 4. (In any event, use a capacitive stylus for economy. I presume that an Apple Pencil or something of that ilk will work, but why spend the$$$!). You can also connect it to a projector, use it as a display in your classroom as you record what you write in class. Then you can transfer the resulting PDF to a website where students can have access to it. On Aug 21, 2020, 11:41 AM -0600, Richard Seguin <[hidden email]>, wrote: Skim does not make a PDF viewer for iPads. What iPad PDF viewer most closely matches the capability of Skim, especially in regard to math documents? I can view my PDF documents in the Books and Safari apps, but they don’t seem to give me the table of contents in a readily accessible sidebar, don’t have Back and Forward buttons (pages in order of viewing), can't navigate by logical rather than physical page, and don’t give a thumbnail of a \ref if I hoover the cursor over the \ref. There are a bunch of these viewers available, and I’m hoping that someone has already done research so I don’t have to. It would be wonderful to be able to be able to carry around 200 page math documents in a svelte one pound package like my iPad Air. Richard Séguin ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faq List Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/ List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/ TeX on Mac OS X Website: http://mactex-wiki.tug.org/ List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex ----------- Please Consult the Following Before Posting -----------TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex Reply | Threaded Open this post in threaded view | ## Re: Best iPad PDF viewer for math?  In reply to this post by Louis Talman Hi all, On 22 Aug 2020, at 8:38 am, Louis Talman <[hidden email]> wrote: I use Notability. In addition to the abilities you ask for, it allows one to write on PDFs, either those imported or those created by the app. Inexpensive styli work, though for good resolution you will want to go a step up to Adonit’s Mark 4. (In any event, use a capacitive stylus for economy. I presume that an Apple Pencil or something of that ilk will work, but why spend the $$!). You can also connect it to a projector, use it as a display in your classroom as you record what you write in class. Then you can transfer the resulting PDF to a website where students can have access to it. I use an iPad Pro with Apple pencil. This was purchased using funds not otherwise spent on travelling to TUG 2020. When we first went into lock-down mid-March, I ordered it all straight-away, as the need to deliver tutorials on-screen was so obvious. My Department/Faculty fast-tracked the approval to use those funds. The natural viewer that comes by accessing PDFs via the iPad's File System app is fine. (I suppose this is a version of Preview for iOS.) It supports the Apple Pencil, of course, and lets you zoom and navigate with gestures or move through pages via small icons for each page, down the right side. (Maybe it can be switched to left, I don’t know yet.) Basically there’s no obvious need for any other App. With AirDrop, I copy the TeX-produced PDFs from the MacBook to the iPad, and can place the result into appropriate folders for each class that I’m teaching. It’s all very, very convenient. Using an HDMI cable, I share the iPad screen, to be shown in a Zoom session run from my laptop. Zoom can be run from the iPad itself, but the restriction to a single window/screen at a time makes that rather clunky to control allowing students to join, and monitoring Chat contents, etc., at the same time as delivering a lecture or tutorial class. On the other hand, I have frequently joined a Zoom session with the iPad as co-Host, giving a way to both see what students are seeing, and have the ability to share the iPad’s screen directly as a separate Zoom participant. (There is an issue, however, with Cloud recordings when there are 2 instances of the same login address. Recording onto the local computer seems to be fine, though.) Adobe has a free reader: Acrobat Mobile for iOS. Again the Apple pencil is supported. There’s a popup for Bookmarks, and a slider down the RHS for quickly flowing through pages. In a sense this is nicer, as you are automatically in full-screen mode, unless bringing up and using tools with appropriate gestures. Use gestures to smoothly resize/zoom in and out. You can Save and Export in many different formats; but some features require an extra subscription — just like you don’t get in Adobe Reader everything that Acrobat Pro can do, without paying a little bit. Acrobat Mobile also has a new experimental feature called Liquid Mode. However this is (so far) only used with small documents, of specific types. It doesn’t work with my teaching materials, as these are regarded as too large or complex for Liquid Mode. There’s no crash or anything, just the popup saying that the PDF isn’t suitable for that mode. As with other iPad Apps, you can share a document to Acrobat Mobile. This then creates a second copy that is used privately by AM, after some initial scanning and/or processing for suitability. Presumably it is at this point that it is determined whether Liquid Mode is appropriate for it, and whether all the specified fonts are available – in case any are not embedded. Upon receiving a file via AirDrop, I can choose to associate the PDF to Acrobat Mobile. Or the association can be done at any later time, by sharing from whatever other App you may be using to view the PDF. I suggest you get the free Acrobat Mobile from the App store and see how you like it. I can see it only getting better, as Adobe does have a real commitment to improving the experience of reading PDFs. On Aug 21, 2020, 11:41 AM -0600, Richard Seguin <[hidden email]>, wrote: Skim does not make a PDF viewer for iPads. What iPad PDF viewer most closely matches the capability of Skim, especially in regard to math documents? I can view my PDF documents in the Books and Safari apps, but they don’t seem to give me the table of contents in a readily accessible sidebar, don’t have Back and Forward buttons (pages in order of viewing), can't navigate by logical rather than physical page, and don’t give a thumbnail of a \ref if I hoover the cursor over the \ref. There are a bunch of these viewers available, and I’m hoping that someone has already done research so I don’t have to. It would be wonderful to be able to be able to carry around 200 page math documents in a svelte one pound package like my iPad Air. Richard Séguin Hope this helps. Ross Dr Ross Moore Department of Mathematics and Statistics 12 Wally’s Walk, Level 7, Room 734 Macquarie University, NSW 2109, Australia T: +61 2 9850 8955 | F: +61 2 9850 8114 M:+61 407 288 255 | E: [hidden email] http://www.maths.mq.edu.au CRICOS Provider Number 00002J. Think before you print. Please consider the environment before printing this email. This message is intended for the addressee named and may contain confidential information. If you are not the intended recipient, please delete it and notify the sender. Views expressed in this message are those of the individual sender, and are not necessarily the views of Macquarie University. ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex Reply | Threaded Open this post in threaded view | ## Re: Best iPad PDF viewer for math?  All — Thanks all for the responses! Earlier today I downloaded the free version of PDF Viewer Pro and it does have more capability than the Books viewer.Ross — it appears that you’ve created folders on your iPad to sort types of documents. How did you create the folders? It’s not obvious that that can be done from the Files app. As someone new to the iPad, the file system is a bit of a mystery.I originally discovered the Books viewer when I emailed a PDF document to myself and brought it up in the iPad from Earthlink web mail. I somehow wound up opening it up in Safari, and from Safari I somehow associated it with the Books app, which displays the document in a fairly minimalistic but attractive way. With the Files app, I have not been able to find where that document is located. It’s as if it disappeared into a black hole. I again downloaded that file via the Earthlink web mail in Safari, and this time was able to direct it to the Downloads folder, which is the only folder in the file system that I’ve seen so far. When I double clicked on the document there, it opened in what I think Ross refers to as “the natural viewer that comes by accessing PDFs via the iPad's File System app.” This was definitely better than the Books version. Then I associated it with PDF Viewer Pro and tried it with that. Next up tomorrow I’ll look at the Adobe version.I also got an Apple Pencil right away. It’s not only good for drawing and freehand writing, but also manipulating tiny elements on the screen when my fingers are clumsy at it.By the way, I have discovered that some USB microphones work with the iPad Air via the lightning port to USB “camera adapter.” I have a desktop microphone (Fifine K670B) that I will be using for some video conferencing with the iPad, and the audio should be considerably better than the built in one. One worry is that the microphone will draw down the charge in the iPad faster than usual, but the adapter I have has a second lightning port in which you can plug the charger.RichardOn Aug 21, 2020, at 6:39 PM, Ross Moore <[hidden email]> wrote: Hi all, On 22 Aug 2020, at 8:38 am, Louis Talman <[hidden email]> wrote: I use Notability. In addition to the abilities you ask for, it allows one to write on PDFs, either those imported or those created by the app. Inexpensive styli work, though for good resolution you will want to go a step up to Adonit’s Mark 4. (In any event, use a capacitive stylus for economy. I presume that an Apple Pencil or something of that ilk will work, but why spend the$$$!). You can also connect it to a projector, use it as a display in your classroom as you record what you write in class.  Then you can transfer the resulting PDF to a website where students can have access to it. I use an iPad Pro with Apple pencil. This was purchased using funds not otherwise spent on travelling to TUG 2020. When we first went into lock-down mid-March, I ordered it all straight-away, as the need to deliver tutorials on-screen was so obvious. My Department/Faculty fast-tracked the approval to use those funds. The natural viewer that comes by accessing PDFs via the iPad's File System app is fine. (I suppose this is a version of Preview for iOS.) It supports the Apple Pencil, of course, and lets you zoom and navigate with gestures or move through pages via small icons for each page, down the right side. (Maybe it can be switched to left, I don’t know yet.) Basically there’s no obvious need for any other App. With AirDrop, I copy the TeX-produced PDFs from the MacBook to the iPad, and can place the result into appropriate folders for each class that I’m teaching. It’s all very, very convenient. Using an HDMI cable, I share the iPad screen, to be shown in a Zoom session run from my laptop. Zoom can be run from the iPad itself, but the restriction to a single window/screen at a time makes that rather  clunky to control allowing students to join, and monitoring Chat contents, etc., at the same time as delivering  a lecture or tutorial class. On the other hand, I have frequently joined a Zoom session with the iPad as co-Host, giving a way to both see what students are seeing, and have the ability to share the iPad’s screen directly as a separate Zoom participant. (There is an issue, however, with Cloud recordings when there are 2 instances of the same login address.  Recording onto the local computer seems to be fine, though.) Adobe has a free reader:  Acrobat Mobile  for iOS. Again the Apple pencil is supported.  There’s a popup for Bookmarks, and a slider down the RHS for quickly flowing through pages.  In a sense this is nicer, as you are automatically in full-screen mode, unless bringing up  and using tools with appropriate gestures. Use gestures to smoothly resize/zoom in and out. You can Save and Export in many different formats; but some features require an extra subscription — just like you don’t get in Adobe Reader everything that Acrobat Pro can do, without paying a little bit. Acrobat Mobile also has a new experimental feature called Liquid Mode. However this is (so far) only used with small documents, of specific types. It doesn’t work with my teaching materials, as these are regarded as too large or complex for Liquid Mode. There’s no crash or anything, just the popup saying that the PDF isn’t suitable for that mode. As with other iPad Apps, you can share a document to Acrobat Mobile. This then creates a second copy that is used privately by AM, after some initial scanning  and/or processing for suitability. Presumably it is at this point that it is determined whether Liquid Mode is appropriate for it, and whether all the specified fonts are available – in case any are not embedded. Upon receiving a file via AirDrop, I can choose to associate the PDF to Acrobat Mobile. Or the association can be done at any later time, by sharing from whatever other App you may be using to view the PDF. I suggest you get the free Acrobat Mobile from the App store and see how you like it. I can see it only getting better, as Adobe does have a real commitment to improving the experience of reading PDFs. On Aug 21, 2020, 11:41 AM -0600, Richard Seguin <[hidden email]>, wrote: Skim does not make a PDF viewer for iPads. What iPad PDF viewer most closely matches the capability of Skim, especially in regard to math documents? I can view my PDF documents in the Books and Safari apps, but they don’t seem to give me the table of contents in a readily accessible sidebar, don’t have Back and Forward buttons (pages in order of viewing), can't navigate by logical rather than physical page, and don’t give a thumbnail of a \ref if I hoover the cursor over the \ref. There are a bunch of these viewers available, and I’m hoping that someone has already done research so I don’t have to. It would be wonderful to be able to be able to carry around 200 page math documents in a svelte one pound package like my iPad Air. Richard Séguin Hope this helps. Ross Dr Ross Moore Department of Mathematics and Statistics  12 Wally’s Walk, Level 7, Room 734 Macquarie University, NSW 2109, Australia T: +61 2 9850 8955  |  F: +61 2 9850 8114 M:+61 407 288 255  |  E: [hidden email] http://www.maths.mq.edu.au CRICOS Provider Number 00002J. Think before you print.  Please consider the environment before printing this email. This message is intended for the addressee named and may  contain confidential information. If you are not the intended  recipient, please delete it and notify the sender. Views expressed  in this message are those of the individual sender, and are not  necessarily the views of Macquarie University. ----------- Please Consult the Following Before Posting -----------TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx                https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx                https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex
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 Hi Richard, On 22 Aug 2020, at 2:11 pm, Richard Seguin <[hidden email]> wrote: All — Thanks all for the responses! Earlier today I downloaded the free version of PDF Viewer Pro and it does have more capability than the Books viewer. Ross — it appears that you’ve created folders on your iPad to sort types of documents. How did you create the folders? It’s not obvious that that can be done from the Files app. As someone new to the iPad, the file system is a bit of a mystery. Find a way to “Browse”, then select “On My iPad” in the left listing, under “locations” if this is not already open. You should get 2 columns, for Folders and Files in the selected folder. There’s an icon of a folder with a small ‘+' sign. After seeing this, the rest is clear. I originally discovered the Books viewer when I emailed a PDF document to myself and brought it up in the iPad from Earthlink web mail. I somehow wound up opening it up in Safari, and from Safari I somehow associated it with the Books app, which displays the document in a fairly minimalistic but attractive way. With the Files app, I have not been able to find where that document is located. My understanding with iOS is that every application has its own area for saving files associated with the App. It’s not at all the same as with a MacBook, or earlier computer. There is no, at least not readily available, file system that is shared by everything else. Files will only handle files that you have associated with it. It cannot search for files associated to other Apps. For those of us who have been brought up with full access to all files on the computer, it is a quite different experience. Hope the helps. Ross It’s as if it disappeared into a black hole. I again downloaded that file via the Earthlink web mail in Safari, and this time was able to direct it to the Downloads folder, which is the only folder in the file system that I’ve seen so far. When I double clicked on the document there, it opened in what I think Ross refers to as “the natural viewer that comes by accessing PDFs via the iPad's File System app.” This was definitely better than the Books version. Then I associated it with PDF Viewer Pro and tried it with that. Next up tomorrow I’ll look at the Adobe version. I also got an Apple Pencil right away. It’s not only good for drawing and freehand writing, but also manipulating tiny elements on the screen when my fingers are clumsy at it. By the way, I have discovered that some USB microphones work with the iPad Air via the lightning port to USB “camera adapter.” I have a desktop microphone (Fifine K670B) that I will be using for some video conferencing with the iPad, and the audio should be considerably better than the built in one. One worry is that the microphone will draw down the charge in the iPad faster than usual, but the adapter I have has a second lightning port in which you can plug the charger. Richard On Aug 21, 2020, at 6:39 PM, Ross Moore <[hidden email]> wrote: Hi all, On 22 Aug 2020, at 8:38 am, Louis Talman <[hidden email]> wrote: I use Notability.  In addition to the abilities you ask for, it allows one to write on PDFs, either those imported or those created by the app.  Inexpensive styli work, though for good resolution you will want to go a step up to Adonit’s Mark 4.  (In any event, use a capacitive stylus for economy.  I presume that an Apple Pencil or something of that ilk will work, but why spend the $$!). You can also connect it to a projector, use it as a display in your classroom as you record what you write in class. Then you can transfer the resulting PDF to a website where students can have access to it. I use an iPad Pro with Apple pencil. This was purchased using funds not otherwise spent on travelling to TUG 2020. When we first went into lock-down mid-March, I ordered it all straight-away, as the need to deliver tutorials on-screen was so obvious. My Department/Faculty fast-tracked the approval to use those funds. The natural viewer that comes by accessing PDFs via the iPad's File System app is fine. (I suppose this is a version of Preview for iOS.) It supports the Apple Pencil, of course, and lets you zoom and navigate with gestures or move through pages via small icons for each page, down the right side. (Maybe it can be switched to left, I don’t know yet.) Basically there’s no obvious need for any other App. With AirDrop, I copy the TeX-produced PDFs from the MacBook to the iPad, and can place the result into appropriate folders for each class that I’m teaching. It’s all very, very convenient. Using an HDMI cable, I share the iPad screen, to be shown in a Zoom session run from my laptop. Zoom can be run from the iPad itself, but the restriction to a single window/screen at a time makes that rather clunky to control allowing students to join, and monitoring Chat contents, etc., at the same time as delivering a lecture or tutorial class. On the other hand, I have frequently joined a Zoom session with the iPad as co-Host, giving a way to both see what students are seeing, and have the ability to share the iPad’s screen directly as a separate Zoom participant. (There is an issue, however, with Cloud recordings when there are 2 instances of the same login address. Recording onto the local computer seems to be fine, though.) Adobe has a free reader: Acrobat Mobile for iOS. Again the Apple pencil is supported. There’s a popup for Bookmarks, and a slider down the RHS for quickly flowing through pages. In a sense this is nicer, as you are automatically in full-screen mode, unless bringing up and using tools with appropriate gestures. Use gestures to smoothly resize/zoom in and out. You can Save and Export in many different formats; but some features require an extra subscription — just like you don’t get in Adobe Reader everything that Acrobat Pro can do, without paying a little bit. Acrobat Mobile also has a new experimental feature called Liquid Mode. However this is (so far) only used with small documents, of specific types. It doesn’t work with my teaching materials, as these are regarded as too large or complex for Liquid Mode. There’s no crash or anything, just the popup saying that the PDF isn’t suitable for that mode. As with other iPad Apps, you can share a document to Acrobat Mobile. This then creates a second copy that is used privately by AM, after some initial scanning and/or processing for suitability. Presumably it is at this point that it is determined whether Liquid Mode is appropriate for it, and whether all the specified fonts are available – in case any are not embedded. Upon receiving a file via AirDrop, I can choose to associate the PDF to Acrobat Mobile. Or the association can be done at any later time, by sharing from whatever other App you may be using to view the PDF. I suggest you get the free Acrobat Mobile from the App store and see how you like it. I can see it only getting better, as Adobe does have a real commitment to improving the experience of reading PDFs. On Aug 21, 2020, 11:41 AM -0600, Richard Seguin <[hidden email]>, wrote: Skim does not make a PDF viewer for iPads. What iPad PDF viewer most closely matches the capability of Skim, especially in regard to math documents? I can view my PDF documents in the Books and Safari apps, but they don’t seem to give me the table of contents in a readily accessible sidebar, don’t have Back and Forward buttons (pages in order of viewing), can't navigate by logical rather than physical page, and don’t give a thumbnail of a \ref if I hoover the cursor over the \ref. There are a bunch of these viewers available, and I’m hoping that someone has already done research so I don’t have to. It would be wonderful to be able to be able to carry around 200 page math documents in a svelte one pound package like my iPad Air. Richard Séguin Hope this helps. Ross Dr Ross Moore Department of Mathematics and Statistics 12 Wally’s Walk, Level 7, Room 734 Macquarie University, NSW 2109, Australia T: +61 2 9850 8955 | F: +61 2 9850 8114 M:+61 407 288 255 | E: [hidden email] http://www.maths.mq.edu.au CRICOS Provider Number 00002J. Think before you print. Please consider the environment before printing this email. This message is intended for the addressee named and may contain confidential information. If you are not the intended recipient, please delete it and notify the sender. Views expressed in this message are those of the individual sender, and are not necessarily the views of Macquarie University. ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faq List Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/ List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/ TeX on Mac OS X Website: http://mactex-wiki.tug.org/ List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex ----------- Please Consult the Following Before Posting ----------- TeX FAQ: https://protect-au.mimecast.com/s/iAL7CE8wlRCo3wWxTNyydL?domain=tex.ac.uk List Reminders and Etiquette: https://protect-au.mimecast.com/s/7BfvCGv0Z6fZ1rJ4t7Z79e?domain=sites.esm.psu.edu/ List Archives: https://protect-au.mimecast.com/s/xA4WCJyBZ6tLqk8wTzd1Qa?domain=dir.gmane.org https://protect-au.mimecast.com/s/pc3gCK1DOrCx2QqWFAVFk7?domain=email.esm.psu.edu/ TeX on Mac OS X Website: https://protect-au.mimecast.com/s/iF_aCL7Eg9fMR0P9ujVh8c?domain=mactex-wiki.tug.org/ List Info: https://protect-au.mimecast.com/s/3uqKCMwGj8CVqp53t1UwA-?domain=email.esm.psu.edu Dr Ross Moore Department of Mathematics and Statistics 12 Wally’s Walk, Level 7, Room 734 Macquarie University, NSW 2109, Australia T: +61 2 9850 8955 | F: +61 2 9850 8114 M:+61 407 288 255 | E: [hidden email] http://www.maths.mq.edu.au CRICOS Provider Number 00002J. Think before you print. Please consider the environment before printing this email. This message is intended for the addressee named and may contain confidential information. If you are not the intended recipient, please delete it and notify the sender. Views expressed in this message are those of the individual sender, and are not necessarily the views of Macquarie University. ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex Reply | Threaded Open this post in threaded view | ## Re: Best iPad PDF viewer for math?  In reply to this post by Ross Moore-3 On Aug 21, 2020, at 7:39 PM, Ross Moore <[hidden email]> wrote: Using an HDMI cable, I share the iPad screen, to be shown in a Zoom session run from my laptop. Zoom can be run from the iPad itself, but the restriction to a single window/screen at a time makes that rather clunky to control allowing students to join, and monitoring Chat contents, etc., at the same time as delivering a lecture or tutorial class. I learned just a couple of weeks ago that you can do this and it works *very* well. This can also be done wirelessly using AirPlay if both devices are on the same WiFi network. On the other hand, I have frequently joined a Zoom session with the iPad as co-Host, giving a way to both see what students are seeing, and have the ability to share the iPad’s screen directly as a separate Zoom participant. This is what I did in the spring after we went online. It also *seemed* to work well. See below. (There is an issue, however, with Cloud recordings when there are 2 instances of the same login address. Recording onto the local computer seems to be fine, though.) What issue are you seeing with cloud recordings in this mode? I did notice that my cloud recordings were very low resolution when done this way and were much higher resolution when I shared my iPad screen when it's connected to my Mac. Classes start Monday and I am still working out all the technology details. Gary ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex Reply | Threaded Open this post in threaded view | ## Re: Best iPad PDF viewer for math?  Hi Gary, On 22 Aug 2020, at 10:32 pm, Gray, Gary L <[hidden email]> wrote: On Aug 21, 2020, at 7:39 PM, Ross Moore <[hidden email]> wrote: Using an HDMI cable, I share the iPad screen, to be shown in a Zoom session run from my laptop. Zoom can be run from the iPad itself, but the restriction to a single window/screen at a time makes that rather clunky to control allowing students to join, and monitoring Chat contents, etc., at the same time as delivering a lecture or tutorial class. I learned just a couple of weeks ago that you can do this and it works *very* well. This can also be done wirelessly using AirPlay if both devices are on the same WiFi network. My MacBook dates back to late 2014. It does not do AirPlay natively. Updates to the OS do *not* help. However, there is a free App called "5K Player”. If you have this installed, then the HDMI cable works. (I have a 2nd MacBook which is even older, and this trick does *not* work with it. When my 2014 MacBook was in for a replacement battery – which means the whole top of the case must be replaced – then the extra Zoom participation, as below, was definitely needed.) On the other hand, I have frequently joined a Zoom session with the iPad as co-Host, giving a way to both see what students are seeing, and have the ability to share the iPad’s screen directly as a separate Zoom participant. This is what I did in the spring after we went online. It also *seemed* to work well. See below. (There is an issue, however, with Cloud recordings when there are 2 instances of the same login address. Recording onto the local computer seems to be fine, though.) What issue are you seeing with cloud recordings in this mode? I have used an iPad as a document viewer, to share hand-writing on an otherwise blank sheet of paper. It was logged-in to Zoom using the same account as the MacBook as Host. Then I could share the iPad screen so that students could see it, but this was *not* captured in Cloud recordings. Instead one gets the Host’s camera view – totally useless, as you are trying to write on an iPad screen, which is not within the camera’s view. I ascribe this to the fact that both participant’s video feeds are using the *same* login name/password. The recording could not tell which of the two video feeds was really required. However, it *was* captured in recordings made to the host MacBook. This may be a local issue, with my institution’s Zoom configuration. Who knows? You don’t find out about this for several hours, after the session has finished. Thus it is indeed something worth knowing – or at least checking for. I did notice that my cloud recordings were very low resolution when done this way and were much higher resolution when I shared my iPad screen when it's connected to my Mac. OK. That’s a useful piece of information. Classes start Monday and I am still working out all the technology details. Glad I can be of some assistance. Cheers. Stay safe. Ross Gary Dr Ross Moore Department of Mathematics and Statistics 12 Wally’s Walk, Level 7, Room 734 Macquarie University, NSW 2109, Australia T: +61 2 9850 8955 | F: +61 2 9850 8114 M:+61 407 288 255 | E: [hidden email] http://www.maths.mq.edu.au CRICOS Provider Number 00002J. Think before you print. Please consider the environment before printing this email. This message is intended for the addressee named and may contain confidential information. If you are not the intended recipient, please delete it and notify the sender. Views expressed in this message are those of the individual sender, and are not necessarily the views of Macquarie University. ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex Reply | Threaded Open this post in threaded view | ## Re: Best iPad PDF viewer for math?  In reply to this post by Gray, Gary L Hi Gary,Could I ask in which app you open the document on the iPad that you share via HDMI cable? And do you sometimes write on this document (pdf, I assume) during the presentation?Here is what I know. Using Goodnotes, if I connect via Airplay — that is, share screen in Zoom by choosing "iPad via Airplay” — then Goodnotes enters presentation mode and I can choose the option that I like among the three (I like “mirror full page,” which hides the interface and has nice page transitions). However, if I connect via cable (USB-C, not HDMI), then I am just sharing the full screen of the iPad, which is nowhere near as nice. I would like the safety of a wired iPad-macbook connection, but Goodnotes with Airplay is quite a bit better than simply sharing the screen.On the recording note: In the spring I taught by logging in (using the same ID) from desktop computer (for video/audio and to monitor chats etc) and MS Surface (for slides; this screen almost always shared). What I saw of the recordings seemed fine. Furthermore, no student raised any issue. We also have a dedicated staff member that was logged on to make sure that technology worked (e.g., that I had restarted recording once I paused it for the break); he mentioned at some point that the recordings were fine (he checks them before posting for the students). Ross’s issue may be specific to institutional set-up, etc. I haven’t tried this with an iPad yet, hadn’t realized it could be problematic. At least it is easy to check, by running a brief meeting by myself whenever and viewing the recording a couple of minutes later.Best, Nicolae On Aug 22, 2020, at 5:32 AM, Gray, Gary L <[hidden email]> wrote: On Aug 21, 2020, at 7:39 PM, Ross Moore <[hidden email]> wrote: Using an HDMI cable, I share the iPad screen, to be shown in a Zoom session run from my laptop. Zoom can be run from the iPad itself, but the restriction to a single window/screen at a time makes that rather clunky to control allowing students to join, and monitoring Chat contents, etc., at the same time as delivering a lecture or tutorial class. I learned just a couple of weeks ago that you can do this and it works *very* well. This can also be done wirelessly using AirPlay if both devices are on the same WiFi network. On the other hand, I have frequently joined a Zoom session with the iPad as co-Host, giving a way to both see what students are seeing, and have the ability to share the iPad’s screen directly as a separate Zoom participant. This is what I did in the spring after we went online. It also *seemed* to work well. See below. (There is an issue, however, with Cloud recordings when there are 2 instances of the same login address. Recording onto the local computer seems to be fine, though.) What issue are you seeing with cloud recordings in this mode? I did notice that my cloud recordings were very low resolution when done this way and were much higher resolution when I shared my iPad screen when it's connected to my Mac. Classes start Monday and I am still working out all the technology details. Gary ----------- Please Consult the Following Before Posting -----------TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex Reply | Threaded Open this post in threaded view | ## Re: Best iPad PDF viewer for math?  In reply to this post by Ross Moore-3 Ross,Thanks! I see how to create the folder structures now, and as a long time laptop and desktop user, and as a result I feel a lot more comfortable with this iPad Air.RichardOn Aug 22, 2020, at 7:15 AM, Ross Moore <[hidden email]> wrote: Hi Richard, On 22 Aug 2020, at 2:11 pm, Richard Seguin <[hidden email]> wrote: All — Thanks all for the responses! Earlier today I downloaded the free version of PDF Viewer Pro and it does have more capability than the Books viewer. Ross — it appears that you’ve created folders on your iPad to sort types of documents. How did you create the folders? It’s not obvious that that can be done from the Files app. As someone new to the iPad, the file system is a bit of a mystery. Find a way to “Browse”, then select “On My iPad” in the left listing, under “locations” if this is not already open. You should get 2 columns, for Folders and Files in the selected folder. There’s an icon of a folder with a small ‘+' sign. After seeing this, the rest is clear. I originally discovered the Books viewer when I emailed a PDF document to myself and brought it up in the iPad from Earthlink web mail. I somehow wound up opening it up in Safari, and from Safari I somehow associated it with the Books app, which displays the document in a fairly minimalistic but attractive way. With the Files app, I have not been able to find where that document is located. My understanding with iOS is that every application has its own area for saving files associated with the App. It’s not at all the same as with a MacBook, or earlier computer. There is no, at least not readily available, file system that is shared by everything else. Files will only handle files that you have associated with it. It cannot search for files associated to other Apps. For those of us who have been brought up with full access to all files on the computer, it is a quite different experience. Hope the helps. Ross It’s as if it disappeared into a black hole. I again downloaded that file via the Earthlink web mail in Safari, and this time was able to direct it to the Downloads folder, which is the only folder in the file system that I’ve seen so far. When I double clicked on the document there, it opened in what I think Ross refers to as “the natural viewer that comes by accessing PDFs via the iPad's File System app.” This was definitely better than the Books version. Then I associated it with PDF Viewer Pro and tried it with that. Next up tomorrow I’ll look at the Adobe version. I also got an Apple Pencil right away. It’s not only good for drawing and freehand writing, but also manipulating tiny elements on the screen when my fingers are clumsy at it. By the way, I have discovered that some USB microphones work with the iPad Air via the lightning port to USB “camera adapter.” I have a desktop microphone (Fifine K670B) that I will be using for some video conferencing with the iPad, and the audio should be considerably better than the built in one. One worry is that the microphone will draw down the charge in the iPad faster than usual, but the adapter I have has a second lightning port in which you can plug the charger. Richard On Aug 21, 2020, at 6:39 PM, Ross Moore <[hidden email]> wrote: Hi all, On 22 Aug 2020, at 8:38 am, Louis Talman <[hidden email]> wrote: I use Notability. In addition to the abilities you ask for, it allows one to write on PDFs, either those imported or those created by the app. Inexpensive styli work, though for good resolution you will want to go a step up to Adonit’s Mark 4. (In any event, use a capacitive stylus for economy. I presume that an Apple Pencil or something of that ilk will work, but why spend the$$\$!). You can also connect it to a projector, use it as a display in your classroom as you record what you write in class.  Then you can transfer the resulting PDF to a website where students can have access to it. I use an iPad Pro with Apple pencil. This was purchased using funds not otherwise spent on travelling to TUG 2020. When we first went into lock-down mid-March, I ordered it all straight-away, as the need to deliver tutorials on-screen was so obvious. My Department/Faculty fast-tracked the approval to use those funds. The natural viewer that comes by accessing PDFs via the iPad's File System app is fine. (I suppose this is a version of Preview for iOS.) It supports the Apple Pencil, of course, and lets you zoom and navigate with gestures or move through pages via small icons for each page, down the right side. (Maybe it can be switched to left, I don’t know yet.) Basically there’s no obvious need for any other App. With AirDrop, I copy the TeX-produced PDFs from the MacBook to the iPad, and can place the result into appropriate folders for each class that I’m teaching. It’s all very, very convenient. Using an HDMI cable, I share the iPad screen, to be shown in a Zoom session run from my laptop. Zoom can be run from the iPad itself, but the restriction to a single window/screen at a time makes that rather  clunky to control allowing students to join, and monitoring Chat contents, etc., at the same time as delivering  a lecture or tutorial class. On the other hand, I have frequently joined a Zoom session with the iPad as co-Host, giving a way to both see what students are seeing, and have the ability to share the iPad’s screen directly as a separate Zoom participant. (There is an issue, however, with Cloud recordings when there are 2 instances of the same login address.  Recording onto the local computer seems to be fine, though.) Adobe has a free reader:  Acrobat Mobile  for iOS. Again the Apple pencil is supported.  There’s a popup for Bookmarks, and a slider down the RHS for quickly flowing through pages.  In a sense this is nicer, as you are automatically in full-screen mode, unless bringing up  and using tools with appropriate gestures. Use gestures to smoothly resize/zoom in and out. You can Save and Export in many different formats; but some features require an extra subscription — just like you don’t get in Adobe Reader everything that Acrobat Pro can do, without paying a little bit. Acrobat Mobile also has a new experimental feature called Liquid Mode. However this is (so far) only used with small documents, of specific types. It doesn’t work with my teaching materials, as these are regarded as too large or complex for Liquid Mode. There’s no crash or anything, just the popup saying that the PDF isn’t suitable for that mode. As with other iPad Apps, you can share a document to Acrobat Mobile. This then creates a second copy that is used privately by AM, after some initial scanning  and/or processing for suitability. Presumably it is at this point that it is determined whether Liquid Mode is appropriate for it, and whether all the specified fonts are available – in case any are not embedded. Upon receiving a file via AirDrop, I can choose to associate the PDF to Acrobat Mobile. Or the association can be done at any later time, by sharing from whatever other App you may be using to view the PDF. I suggest you get the free Acrobat Mobile from the App store and see how you like it. I can see it only getting better, as Adobe does have a real commitment to improving the experience of reading PDFs. On Aug 21, 2020, 11:41 AM -0600, Richard Seguin <[hidden email]>, wrote: Skim does not make a PDF viewer for iPads. What iPad PDF viewer most closely matches the capability of Skim, especially in regard to math documents? I can view my PDF documents in the Books and Safari apps, but they don’t seem to give me the table of contents in a readily accessible sidebar, don’t have Back and Forward buttons (pages in order of viewing), can't navigate by logical rather than physical page, and don’t give a thumbnail of a \ref if I hoover the cursor over the \ref. There are a bunch of these viewers available, and I’m hoping that someone has already done research so I don’t have to. It would be wonderful to be able to be able to carry around 200 page math documents in a svelte one pound package like my iPad Air. Richard Séguin Hope this helps. Ross Dr Ross Moore Department of Mathematics and Statistics  12 Wally’s Walk, Level 7, Room 734 Macquarie University, NSW 2109, Australia T: +61 2 9850 8955  |  F: +61 2 9850 8114 M:+61 407 288 255  |  E: [hidden email] http://www.maths.mq.edu.au CRICOS Provider Number 00002J. Think before you print.  Please consider the environment before printing this email. This message is intended for the addressee named and may  contain confidential information. If you are not the intended  recipient, please delete it and notify the sender. Views expressed  in this message are those of the individual sender, and are not  necessarily the views of Macquarie University. ----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faq List Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/ List Archives: http://dir.gmane.org/gmane.comp.tex.macosx                https://email.esm.psu.edu/pipermail/macosx-tex/ TeX on Mac OS X Website: http://mactex-wiki.tug.org/ List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex ----------- Please Consult the Following Before Posting ----------- TeX FAQ: https://protect-au.mimecast.com/s/iAL7CE8wlRCo3wWxTNyydL?domain=tex.ac.uk List Reminders and Etiquette: https://protect-au.mimecast.com/s/7BfvCGv0Z6fZ1rJ4t7Z79e?domain=sites.esm.psu.edu/ List Archives: https://protect-au.mimecast.com/s/xA4WCJyBZ6tLqk8wTzd1Qa?domain=dir.gmane.org                https://protect-au.mimecast.com/s/pc3gCK1DOrCx2QqWFAVFk7?domain=email.esm.psu.edu/ TeX on Mac OS X Website: https://protect-au.mimecast.com/s/iF_aCL7Eg9fMR0P9ujVh8c?domain=mactex-wiki.tug.org/ List Info: https://protect-au.mimecast.com/s/3uqKCMwGj8CVqp53t1UwA-?domain=email.esm.psu.edu Dr Ross Moore Department of Mathematics and Statistics  12 Wally’s Walk, Level 7, Room 734 Macquarie University, NSW 2109, Australia T: +61 2 9850 8955  |  F: +61 2 9850 8114 M:+61 407 288 255  |  E: [hidden email] http://www.maths.mq.edu.au CRICOS Provider Number 00002J. Think before you print.  Please consider the environment before printing this email. This message is intended for the addressee named and may  contain confidential information. If you are not the intended  recipient, please delete it and notify the sender. Views expressed  in this message are those of the individual sender, and are not  necessarily the views of Macquarie University. ----------- Please Consult the Following Before Posting -----------TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx                https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx                https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex
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## Re: Best iPad PDF viewer for math?

 In reply to this post by Ross Moore-3 On Aug 21, 2020, at 7:39 PM, Ross Moore <[hidden email]> wrote:Using an HDMI cable, I share the iPad screen, to be shown in a Zoom session run from my laptop.Zoom can be run from the iPad itself, but the restriction to a single window/screen at a time makes that rather clunky to control allowing students to join, and monitoring Chat contents, etc., at the same time as delivering a lecture or tutorial class.I do this a little differently. I connect the iPad to my Mac with a USB cable and share the screen in a window on the Mac using Quicktime Player. I can have several programs running on the Mac in different windows (Keynote, Quicktime Player, Mathematica, …). When I share the Mac screen I can instantly switch between these programs.To use the iPad as a whiteboard, I usually use ShowMe or Inkredible.L^2----------- Please Consult the Following Before Posting ----------- TeX FAQ: http://www.tex.ac.uk/faqList Reminders and Etiquette: https://sites.esm.psu.edu/~gray/tex/List Archives: http://dir.gmane.org/gmane.comp.tex.macosx                https://email.esm.psu.edu/pipermail/macosx-tex/TeX on Mac OS X Website: http://mactex-wiki.tug.org/List Info: https://email.esm.psu.edu/mailman/listinfo/macosx-tex
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